Path traversal in AWStats - CVE-2020-35176
Published: December 12, 2020 / Updated: December 15, 2020
Vulnerability identifier: #VU49005
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-35176
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the "config" parameter in the cgi-bin/awstats.pl script. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.
Affected software
AWStats
Arch Linux
Fedora
Ubuntu
awstats (Ubuntu package)
awstats
Arch Linux
Fedora
Ubuntu
awstats (Ubuntu package)
awstats
How to mitigate CVE-2020-35176
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
awstats (Ubuntu package) - addressed in versions 7.6+dfsg-2ubuntu0.18.04.1, 7.6+dfsg-2ubuntu0.20.04.1, 7.6+dfsg-2ubuntu0.20.10.1
awstats - addressed in versions 7.8-2.el7, 7.8-2.el8, 7.8-2.fc32, 7.8-2.fc33
awstats - addressed in versions 7.8-2.el7, 7.8-2.el8, 7.8-2.fc32, 7.8-2.fc33